ng_macfilter.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2002 Ericsson Research & Pekka Nikander
    5  * Copyright (c) 2020 Nick Hibma <n_hibma@FreeBSD.org>
    6  * All rights reserved.
    7  * 
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice unmodified, this list of conditions, and the following
   13  *    disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 #ifndef _NETGRAPH_MACFILTER_H_
   34 #define _NETGRAPH_MACFILTER_H_
   35 
   36 #define NG_MACFILTER_NODE_TYPE          "macfilter"
   37 #define NGM_MACFILTER_COOKIE            1042445461
   38 
   39 /* Hook names */
   40 #define NG_MACFILTER_HOOK_ETHER         "ether"         /* connected to ether:lower */
   41 #define NG_MACFILTER_HOOK_DEFAULT       "default"       /* connected to ether:upper; upper[0] */
   42 /* Other hooks may be named freely                         connected to ether:upper; upper[1..n]*/
   43 #define NG_MACFILTER_HOOK_DEFAULT_ID    0
   44 
   45 #define OFFSETOF(s, e) ((char *)&((s *)0)->e - (char *)((s *)0))
   46 
   47 /* Netgraph commands understood/sent by this node type */
   48 enum {
   49     NGM_MACFILTER_RESET = 1,
   50     NGM_MACFILTER_DIRECT = 2,
   51     NGM_MACFILTER_DIRECT_HOOKID = 3,
   52     NGM_MACFILTER_GET_MACS = 4,
   53     NGM_MACFILTER_GETCLR_MACS = 5,
   54     NGM_MACFILTER_CLR_MACS = 6,
   55     NGM_MACFILTER_GET_HOOKS = 7
   56 };
   57 
   58 /* This structure is supplied with the NGM_MACFILTER_DIRECT command */
   59 struct ngm_macfilter_direct {
   60     u_char      ether[ETHER_ADDR_LEN];          /* MAC address */
   61     u_char      hookname[NG_HOOKSIZ];           /* Upper hook name*/
   62 };
   63 #define NGM_MACFILTER_DIRECT_FIELDS {                   \
   64     { "ether",          &ng_parse_enaddr_type },        \
   65     { "hookname",       &ng_parse_hookbuf_type },       \
   66     { NULL }                                            \
   67 }
   68 
   69 /* This structure is supplied with the NGM_MACFILTER_DIRECT_HOOKID command */
   70 struct ngm_macfilter_direct_hookid {
   71     u_char      ether[ETHER_ADDR_LEN];          /* MAC address */
   72     u_int16_t   hookid;                         /* Upper hook hookid */
   73 };
   74 #define NGM_MACFILTER_DIRECT_NDX_FIELDS {               \
   75     { "ether",          &ng_parse_enaddr_type },        \
   76     { "hookid",         &ng_parse_uint16_type },        \
   77     { NULL }                                            \
   78 }
   79 
   80 /* This structure is returned in the array by the NGM_MACFILTER_GET(CLR)_MACS commands */
   81 struct ngm_macfilter_mac {
   82     u_char      ether[ETHER_ADDR_LEN];          /* MAC address */
   83     u_int16_t   hookid;                         /* Upper hook hookid */
   84     u_int64_t   packets_in;                     /* packets in from downstream */
   85     u_int64_t   bytes_in;                       /* bytes in from upstream */
   86     u_int64_t   packets_out;                    /* packets out towards downstream */
   87     u_int64_t   bytes_out;                      /* bytes out towards downstream */
   88 };
   89 #define NGM_MACFILTER_MAC_FIELDS {                      \
   90     { "ether",          &ng_parse_enaddr_type },        \
   91     { "hookid",         &ng_parse_uint16_type },        \
   92     { "packets_in",     &ng_parse_uint64_type },        \
   93     { "bytes_in",       &ng_parse_uint64_type },        \
   94     { "packets_out",    &ng_parse_uint64_type },        \
   95     { "bytes_out",      &ng_parse_uint64_type },        \
   96     { NULL }                                            \
   97 }
   98 /* This structure is returned by the NGM_MACFILTER_GET(CLR)_MACS commands */
   99 struct ngm_macfilter_macs {
  100     u_int32_t   n;                              /* Number of entries in macs */
  101     struct ngm_macfilter_mac macs[];            /* Macs table */
  102 };
  103 #define NGM_MACFILTER_MACS_FIELDS {                     \
  104     { "n",              &ng_parse_uint32_type },        \
  105     { "macs",           &ng_macfilter_macs_array_type },\
  106     { NULL }                                            \
  107 }
  108 
  109 /* This structure is returned in an array by the NGM_MACFILTER_GET_HOOKS command */
  110 struct ngm_macfilter_hook {
  111     u_char      hookname[NG_HOOKSIZ];           /* Upper hook name*/
  112     u_int16_t   hookid;                         /* Upper hook hookid */
  113     u_int32_t   maccnt;                         /* Number of mac addresses associated with hook */
  114 };
  115 #define NGM_MACFILTER_HOOK_FIELDS {                     \
  116     { "hookname",       &ng_parse_hookbuf_type },       \
  117     { "hookid",         &ng_parse_uint16_type },        \
  118     { "maccnt",         &ng_parse_uint32_type },        \
  119     { NULL }                                            \
  120 }
  121 /* This structure is returned by the NGM_MACFILTER_GET_HOOKS command */
  122 struct ngm_macfilter_hooks {
  123     u_int32_t   n;                              /* Number of entries in hooks */
  124     struct ngm_macfilter_hook hooks[];          /* Hooks table */
  125 };
  126 #define NGM_MACFILTER_HOOKS_FIELDS {                     \
  127     { "n",              &ng_parse_uint32_type },         \
  128     { "hooks",          &ng_macfilter_hooks_array_type },\
  129     { NULL }                                             \
  130 }
  131 
  132 #endif /* _NETGRAPH_MACFILTER_H_ */

Cache object: 70a7da80bd24ae1e2dc0020fb4b09c39

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/netgraph/ng_macfilter.h

FreeBSD/Linux Kernel Cross Reference
sys/netgraph/ng_macfilter.h